Company lists · Data refreshed September 2026

Top 17 Systems integrators based in Reston, United States

Name: Systems integrators based in Reston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 15, 2026 30 companies tracked

RevenueBase identified 30 company matches for systems integrators associated with Reston, United States as of September 2026 and tracks 41,114 professional contacts across them, including 5,111 with verified work emails. Across the United States, New York is the largest hub for this category (228 companies); Reston has 30.

This list covers company matches for systems integrators associated with Reston, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 15, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 15, 2026 How this list was built

30Companies

41,114Contacts tracked

5,111Verified emails

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The 17 largest systems integrators based in Reston, United States

Ranked by team size

Top 17 of 30 company matches for systems integrators based in Reston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 15, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Carahsoft	Exact match	Reston, VA, United StatesHQ recorded Sep 15, 2026	1,001-5,000	3,945 contacts →
	Exact match “Carahsoft is The Trusted IT Solutions Provider®, supporting Federal, State, Local Government, Education, Healthcare and Private Sector industries.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase
2	Engility Corporation	Exact match	Reston, VA, United StatesHQ recorded Sep 15, 2026	5,001-10,000	1,245 contacts →
	Exact match “Engility Corporation is now part of SAIC, a premier technology integrator based in Reston, Virginia.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase
3	Systems Engineering Services Corporation Sesc	Exact match	Reston, VA, United StatesHQ recorded Sep 15, 2026	201-500	747 contacts →
	Exact match “Systems Engineering Services Corporation (SESC), founded in 1989, is a leading provider of technology solutions to Fortune companies and government organizations.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase
4	STG INC	Exact match	Reston, VA, United StatesHQ recorded Sep 15, 2026	1,001-5,000	700 contacts →
	Exact match “SOS International LLC (SOSi) is a family-owned, middle-market government services integrator that works principally in the defense and intelligence sectors.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase
5	Thundercat Technology	Exact match	Reston, VA, United StatesHQ recorded Sep 15, 2026	51-200	141 contacts →
	Exact match “ThunderCat Technology is a Service-Disabled Veteran Owned Small Business that delivers technology services and solutions to government organizations, educational institutions, and…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase
6	Crgt INC	Exact match	Reston, VA, United StatesHQ recorded Sep 15, 2026	1,001-5,000	106 contacts →
	Exact match “CRGT, a full-service government systems integrator, helps customers overcome difficult technology challenges to greatly enhance mission performance.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase
7	Apex Advanced Technology DBA Apex Group	Exact match	Reston, VA, United StatesHQ recorded Sep 15, 2026	201-500	82 contacts →
	Exact match “Providing telecommunications solutions to our customers with quality, precision, and state of the art project management for over 30 years The Apex Group is a full-service…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase
8	IGOV	Exact match	Reston, VA, United StatesHQ recorded Sep 15, 2026	51-200	80 contacts →
	Exact match “iGOV is a Federal Systems Integrator and Value Added Reseller with headquarters in Reston, VA, and operational facilities in Tampa, FL, where we perform R&D, systems and software…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase
9	CTG Federal	Exact match	Reston, VA, United StatesHQ recorded Sep 15, 2026	51-200	62 contacts →
	Exact match “CTG Federal, a Cohesive Technology Group company, is an SBA-certified small business that excels in servicing dozens of federal defense, intelligence, and civilian organizations…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase
10	Aderas, INC	Exact match	Reston, VA, United StatesHQ recorded Sep 15, 2026	51-200	49 contacts →
	Exact match “Aderas specializes in implementing, extending, managing, and tuning enterprise applications, databases, applications servers as well as custom software and IT development.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase
11	Snowrelic INC	Exact match	Reston, VA, United StatesHQ recorded Sep 15, 2026	11-50	39 contacts →
	Exact match “Snowrelic Inc was founded by technology professionals with a vision to provide quality and cost-effective Modern IT solutions.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase
12	Agility Technologies INC	Exact match	Reston, VA, United StatesHQ recorded Sep 15, 2026	11-50	33 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase
13	Hyperion, INC	Exact match	Reston, VA, United StatesHQ recorded Sep 15, 2026	11-50	30 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase
14	Intelligence Consulting Enterprise Solutions, Inc. Ices	Exact match	Reston, VA, United StatesHQ recorded Sep 15, 2026	51-200	19 contacts →
	Exact match “ICES is a leading small business provider of full life cycle systems integration and engineering services to the U.S.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase
15	Onetier	Exact match	Reston, VA, United StatesHQ recorded Sep 15, 2026	1-10	8 contacts →
	Exact match “OneTier is a Technology provider that brings together unique solutions that solve business and technical challenges.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase
16	Technology Science Corporation	Exact match	Reston, VA, United StatesHQ recorded Sep 15, 2026	1-10	8 contacts →
	Exact match “Through our extensive experience and background, we provide top quality customer service and post award operations by encouraging and promoting a culture in creative problem…” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase
17	Practice Systems Integration	Exact match	Reston, VA, United StatesHQ recorded Sep 15, 2026	11-50	3 contacts →
	Exact match “Business-savvy technology experts, helping you transform your smallbiz through technology.” Recorded in the RevenueBase company graph · Sep 15, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “systems integrators”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 17 of 30 systems integrators based in Reston, United States

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Systems integrators based in Reston, United States at a glance

As of Sep 15, 2026

12.4%Verified-email coverage

1370.5Average contacts per company

11-50Median size (employees)

Sep 15, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured across the whole United States list rather than for Reston, so it is reported there. Company counts and contact totals on this page are exact for Reston, over 30 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Reston, United States whose business descriptions match “systems integrators” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 5,111 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 15, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Systems integrators by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “systems integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many systems integrators are there based in Reston, United States?

RevenueBase identified 30 company matches for systems integrators associated with Reston, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Carahsoft tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most systems integrators?

New York leads the United States with 228 company records, followed by Houston (204) and Atlanta (119). Reston has 30.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 5,111 professional contacts with verified work emails tracked across these 30 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 15, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.